PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M20708/14-02DSynchro,transmitter

Sae International Dba Sae International · NSN 5990-01-305-7228 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-01-305-7228 — this item is cataloged by the U.S. Government under National Stock Number 5990-01-305-7228. Primary manufacturer part number: M20708/14-02D.
Features
  • Synchro,transmitter — FSC 5990
  • Rotor Input Current Rating: 85.0 MILLIAMPERES MAXIMUM
  • Mounting Surface to Terminal End Distance: 1.7770 INCHES MAXIMUM IN
  • Shaft Maximum Runout: 0.0008 INCHES IN
  • Zss Impedance Magnitude in Ohms: 123.00 MINIMUM AND 138.00 MAXIMUM
  • Pilot Diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • Shoulder Diameter: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
  • Flange Diameter: 1.4320 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-01-305-7228, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-01-305-7228
Primary Part NumberM20708/14-02D
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Rotor Input Current Rating85.0 MILLIAMPERES MAXIMUM
Mounting Surface to Terminal End Distance1.7770 INCHES MAXIMUM IN
Shaft Maximum Runout0.0008 INCHES IN
Zss Impedance Magnitude in Ohms123.00 MINIMUM AND 138.00 MAXIMUM
Pilot Diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Shoulder Diameter1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Flange Diameter1.4320 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Undercut Width0.0730 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND B
Flange Thickness0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN
Terminal Type and Quantity6 SCREW
Shaft Length0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM SINGLE SHAFT IN
Frequency in Hertz400.0 NOMINAL
Transformation Ratio0.783 ROTOR TO STATOR NOMINAL
Zss Impedance Angle in Deg26.50 MINIMUM AND 31.50 MAXIMUM
Zro Impedance Angle in Deg81.40 MINIMUM AND 84.60 MAXIMUM
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft End Play Determining Weight16.0 OUNCES OZ
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Terminal LocationREAR
Pilot Length0.0350 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
Maximum Temp Rise20.0 CELSIUS DEGC
Shaft Diameter0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN
Shaft Slot Width0.0200 INCHES NOMINAL SINGLE SHAFT IN
Body MaterialSTEEL CORROSION RESISTING
Alignment Hole Bolt Circle Diameter1.0970 INCHES MINIMUM AND 1.1030 INCHES MAXIMUM IN
Shaft Radial Play Determining Weight8.0 OUNCES OZ
Shaft End Play0.0010 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5990-00-677-6468 INTERCHANGEABLE
Synchro,transmitter
5990-00-733-2342 INTERCHANGEABLE
Synchro,transmitter
5990-00-905-1836M20708/14-01D INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M20708/14-02D PRIMARY Sae International Dba Sae International (USA)
M20708/14-02D Society of Automotive Engineers Inc (USA)
AS20708/14 Society of Automotive Engineers Inc (USA)
SAE-AS20708/14 Sae International Dba Sae International (USA)
M20708/14-02D Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc. (USA)
M20708/14-02D Moog Inc. (USA)
904971 L3 Technologies, Inc. Div L3 Keo (USA)
MIL-S-20708/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20708/14-02D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS20708/14 Sae International Dba Sae International (USA)
Related Parts
5990-00-677-6468INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-733-2342INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-905-1836INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/14-01D

Frequently Asked Questions

What is NSN 5990-01-305-7228?

NSN 5990-01-305-7228 is a Synchro,transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-01-305-7228?

NSN 5990-01-305-7228 has 10 cross-referenced part numbers: M20708/14-02D (Sae International Dba Sae International), M20708/14-02D (Society of Automotive Engineers Inc), AS20708/14 (Society of Automotive Engineers Inc), SAE-AS20708/14 (Sae International Dba Sae International), M20708/14-02D (Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc.) and 5 more.

What NSN replaces 5990-01-305-7228?

There are 3 known substitutes for 5990-01-305-7228: 5990-00-677-6468, 5990-00-733-2342, 5990-00-905-1836. Verify interchangeability with system specifications before substitution.

What are the specifications of M20708/14-02D?

Key specifications for M20708/14-02D: Rotor Input Current Rating: 85.0 MILLIAMPERES MAXIMUM; Mounting Surface to Terminal End Distance: 1.7770 INCHES MAXIMUM IN; Shaft Maximum Runout: 0.0008 INCHES IN; Zss Impedance Magnitude in Ohms: 123.00 MINIMUM AND 138.00 MAXIMUM. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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